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Group{
Omega = Region[1]; // Domain
Bndry = Region[2]; // Boundary
}
Function{
// Physical data //
DefineConstant[angularFreqRe = 5, // [rad/s]
angularFreqIm = 0]; // [rad/s]
C0 = 299792458; // [m/s]
aFC[] = Complex[angularFreqRe,
angularFreqIm]; // [rad/m]
k[] = aFC[]/C0; // [rad/m]
Printf["Angular frequency set to: %g + i*%g [rad/s]",
angularFreqRe, angularFreqIm];
// Algebraic data //
DefineConstant[x() = {}, // Solution

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// Control data //

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DefineConstant[imposeRHS = 0, // Should I use an imposed RHS?

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doPostpro = 0, // Should I only create a view for x()?
doApply = 0, // Should I only apply x(): x <- Ax?

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fileName = "eig.pos"]; // Postpro file name

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}
Jacobian{
{ Name JVol;
Case{
{ Region All; Jacobian Vol; }
}
}
}
Integration{
{ Name IP2;
Case{
{ Type Gauss;
Case{
{ GeoElement Line; NumberOfPoints 2; }
{ GeoElement Triangle; NumberOfPoints 3; }
{ GeoElement Tetrahedron; NumberOfPoints 4; }
}
}
}
}
}
Constraint{
{ Name Dirichlet; Type Assign;
Case{
{ Region Bndry; Value 0; }
}
}
}
FunctionSpace{
{ Name HCurl; Type Form1;
BasisFunction{ // Nedelec
{ Name se; NameOfCoef ee; Function BF_Edge;
Support Omega; Entity EdgesOf[All]; }
}
Constraint{
{ NameOfCoef ee; EntityType EdgesOf; NameOfConstraint Dirichlet; }
}
}
}
Formulation{
{ Name Maxwell; Type FemEquation;
Quantity{
{ Name e; Type Local; NameOfSpace HCurl; }
}
Equation{
Galerkin{ [ Dof{d e} , {d e}];
In Omega; Integration IP2; Jacobian JVol; }
Galerkin{ [-k[]^2 * Dof{ e} , { e}];
In Omega; Integration IP2; Jacobian JVol; }
}
}
}
Resolution{
{ Name Maxwell;
System{
{ Name A; NameOfFormulation Maxwell; Type Complex; }
}
Operation{
Generate[A];
If(imposeRHS)
CopyRightHandSide[b(), A];
EndIf

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If(!doPostpro && !doApply)

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Solve[A];
CopySolution[A, x()];
EndIf

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If(doApply)
CopySolution[x(), A];
Apply[A];
CopySolution[A, x()];
EndIf
If(doPostpro)

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CopySolution[x(), A];
EndIf

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}
}
}
PostProcessing{
{ Name Maxwell; NameOfFormulation Maxwell;
Quantity{
{ Name e; Value{ Local{ [{e}]; In Omega; Jacobian JVol; } } }
}
}
}
PostOperation{
{ Name Maxwell; NameOfPostProcessing Maxwell;
Operation{

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Print[e, OnElementsOf Omega, File fileName];